osm coords
unused code removed
round -> lround
addCircumscribe() unpure
MercatorCoords
getMercatorCoords()
addCircumscribe() pure
struct Coords
small
small
Coords MercatorCoords arg ctor
toBBox
boundary_meters in MercatorCoords
setPOVtoBoundary
coords stored in long
moved to internal map coords
struct Coords removed
reduce points uses mercator now
Coords -> MapCoords